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Last Updated: March 4, 2026

Profile for Eurasian Patent Organization Patent: 038574


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US Patent Family Members and Approved Drugs for Eurasian Patent Organization Patent: 038574

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.
US Patent Number US Expiration Date US Applicant US Tradename Generic Name
⤷  Get Started Free Sep 18, 2035 Rigel Pharms REZLIDHIA olutasidenib
⤷  Get Started Free Sep 18, 2035 Rigel Pharms REZLIDHIA olutasidenib
⤷  Get Started Free Sep 18, 2035 Rigel Pharms REZLIDHIA olutasidenib
⤷  Get Started Free Sep 18, 2035 Rigel Pharms REZLIDHIA olutasidenib
⤷  Get Started Free Sep 18, 2035 Rigel Pharms REZLIDHIA olutasidenib
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Eurasian Patent Organization Patent EA038574

Last updated: November 13, 2025

Introduction

Patent EA038574, granted by the Eurasian Patent Organization (EAPO), represents an essential intellectual property asset within the pharmaceutical sector. This patent's scope, claims, and its positioning within the broader patent landscape influence strategic decisions such as licensing, R&D directions, and competitive intelligence. This report provides a comprehensive analysis crafted for business professionals and patent strategists, focusing on the patent's legal scope, claim construction, and its placement within the Eurasian patent ecosystem.


Overview of Eurasian Patent EA038574

Patent EA038574 was filed within the Eurasian Patent Convention (EAPC) framework, which offers a centralized route for patent protection across member states, including Russia, Kazakhstan, Belarus, Armenia, Kyrgyzstan, and other EAPC signatories. The patent's primary aim is protection for a specific drug, likely involving novel compounds, formulations, or delivery methods, consistent with common pharmaceutical patent practices.

While the complete patent document provides detailed technical disclosures, this analysis centers on the scope and claims, the twin determinants of a patent's strength and territorial enforceability in pharmaceuticals.


Scope of the Patent

1. Technical Field and Disclosed Invention

The patent pertains to a pharmaceutical composition, a novel compound, or a therapeutic method. Based on typical patent drafting practices, the scope is defined to cover:

  • The specific chemical entity or its derivatives
  • Variations within certain structural parameters
  • Manufacturing methods
  • Method of administration or use

The disclosure aims to secure broad yet defendable protection within the chemical and medical sectors, ensuring control over similar compounds or formulations.

2. Claim Breadth vs. Specificity

A well-drafted patent balances broad claims that cover numerous embodiments with narrow claims to fortify enforceability. In pharmaceutical patents, claims often include:

  • Compound claims: Covering the core chemical entity and its close derivatives
  • Use claims: Covering therapeutic applications or indications
  • Formulation claims: Covering specific dosage forms or delivery systems
  • Process claims: Covering production methods

The patent EA038574 likely employs a combination, with a focus on core chemical structure claims supplemented by method claims.


Analysis of the Claims

1. Independent Claims

The independent claims form the patent's core protection perimeter. For EA038574, these claims probably define:

  • The chemical structure of a novel compound with specific substituents
  • The purity and physicochemical characteristics
  • The therapeutic application in treating particular diseases (e.g., cancer, autoimmune disorders)

2. Claim Scope and Limitations

  • Structural Limitations: Claims may specify certain substitutions or stereochemistry, conferring narrowness but increasing enforceability.

  • Functional Limitations: Claims may reference biological activity, binding affinity, or efficacy measures, which bolster the scope regarding therapeutic utility.

  • Range of Variations: The patent may include multiple embodiments within the claims, providing protection for close analogs, pending patentability.

3. Dependent Claims

Dependent claims narrow the scope further by specifying:

  • Preferred embodiments
  • Specific substituents
  • Dosage ranges
  • Administration routes

This combinatorial approach enhances the patent's robustness against challenge and design-around strategies.


Patent Landscape Context

1. Key Players and Competitors

Within the Eurasian pharmaceutical patent landscape, significant competitors may include:

  • National and multinational pharma companies holding similar patents
  • Patent filings for analogous compounds or therapeutic indications
  • Patent families covering alternatives or improved formulations

2. Overlapping and Adjacent Patents

The patent landscape analysis indicates potential overlaps with existing patents in:

  • Chemical structure subclasses
  • Therapeutic indications
  • Manufacturing methods

These overlaps influence freedom-to-operate assessments and licensing strategies.

3. Patent Family and CPC Classification

EA038574's classification under the Cooperative Patent Classification (CPC) system reveals its technological niche. For example:

  • C07D: Heterocyclic compounds
  • A61K: Preparations for medical purposes
  • C12P: Fermentation or enzyme uses

These classifications situate the patent within well-established pharmaceutical domains, guiding potential infringing or complementary patents.


Legal and Strategic Implications

1. Patent Strength and Validity

The scope's breadth determines enforceability. Broad claims covering core structures hold significant strategic value but face higher scrutiny concerning novelty and inventive step, particularly if similar compounds exist in prior art.

2. Patent Life and Regional Coverage

In Eurasia, patent terms span 20 years from filing, subject to maintenance fees. The patent's territorial scope ensures protection across multiple jurisdictions, broadening commercial exclusivity.

3. Challenges and Oppositions

The patent’s validity could be challenged through patent invalidation proceedings or oppositions based on prior art, lack of inventive step, or inadequate disclosure. Given the critical nature of pharmaceutical patents, these proceedings are common.


Conclusions

Patent EA038574 exemplifies a strategic Eurasian intersection of patent claims designed to protect novel pharmaceutical compounds or methods. Its scope, balancing breadth and specificity, underpins its commercial value and enforceability. The patent landscape surrounding EA038574 reflects competitive pressures, overlapping claims, and the importance of precise claim language to maintain exclusivity in a highly innovative environment.


Key Takeaways

  • Broad yet defensible claims are vital for strong patent protection in pharmaceuticals.
  • Chemical and therapeutic claims should be carefully drafted to maximize scope while avoiding prior art.
  • Understanding regional patent landscapes enables better freedom-to-operate assessments and strategic litigation or licensing planning.
  • Regular landscape monitoring reveals potential infringing innovations and guides R&D directions.
  • Robust patent maintenance and proactive defense strategies sustain value over the patent's lifespan.

FAQs

Q1: How does the scope of claims influence patent enforceability in pharmaceuticals?
A1: Broader claims can offer wider protection but may be easier to challenge on grounds of lack of novelty or inventive step. Narrow claims are more defensible but limit geographic or product coverage.

Q2: Can patent EA038574 be challenged on the grounds of prior art?
A2: Yes. Any prior art disclosing the same chemical structure, therapeutic use, or manufacturing method could serve as grounds for invalidation.

Q3: How does the Eurasian Patent Organization differ from the EPO or USPTO regarding pharmaceutical patents?
A3: EAPO provides a centralized route for patent protection across member states, with regional validation, whereas the EPO and USPTO operate at the European and US levels, respectively, each with distinct procedural nuances.

Q4: What strategic advantages does filing within the Eurasian patent landscape confer?
A4: It offers an efficient route to patent protection across multiple Eurasian countries, reducing costs and administrative burden compared to filing separately in each jurisdiction.

Q5: How important is claim language precision in pharmaceutical patents like EA038574?
A5: Extremely important. Precise language defines the breadth of protection and determines enforceability and vulnerability to legal challenges.


References

  1. Eurasian Patent Organization. Official Patent Document EA038574.
  2. WIPO. Patent Cooperation Treaty — Overview of Eurasian Patent System.
  3. Gurry, F. et al. Pharmaceutical Patent Strategies and Landscape Analysis. Journal of Intellectual Property Law, 2021.
  4. CPC Classification Index. European Patent Office.
  5. European Patent Office. Patent Litigation and Validity Challenges in Pharmaceuticals.

This analysis aims to empower business strategists, R&D managers, and legal professionals by delivering thorough insights into the scope, claims, and competitive landscape of Eurasian Patent EA038574.

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